Table 2 Summary of mixed method data collection

Site surveys (quantitative)

Brief survey (15 multiple choice questions) administered at 6 months and then again at 12 months following the start of center’s implementation period

Sample: Site PIs or other representatives of each center’s implementation team

Gain understanding of the center’s ongoing progress and the extent to which centers have implemented the intervention

Gain a baseline understanding of key strengths and weaknesses of the center’s implementation progress

In-depth interviews or focus groups

In-depth, semi-structured interviews or focus groups conducted as a follow-up to each center’s site survey results at 6 months and then again at 12 months following the start of center’s implementation period

Sample: Members of each center’s implementation team (i.e., a pediatric surgeon/site PI; other clinical team members such as anesthesiologists and nurses; study coordinator

Gain understanding of the center’s implementation processes, challenges, facilitators, and opportunities for improvement from the perspective of center’s own implementation team